<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>ex7</title>
        <style type="text/css">
            div{background-color:wheat;}
        </style>
    </head>
    <body>
        <div>
            <h1>公历来历</h1>
            <div>公元前......</div>
        </div>
        <div>
            <h1>中国现代农历</h1>
            <div>中国现代农历完全是按四百多年前......</div>
        </div>
    </body>
</html>